ABAP Select data from SAP table PRCT_PRICING_CONTROL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRCT_PRICING_CONTROL table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to PRCT_PRICING_CONTROL. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the PRCT_PRICING_CONTROL table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_PRCT_PRICING_CONTROL TYPE STANDARD TABLE OF PRCT_PRICING_CONTROL,
      WA_PRCT_PRICING_CONTROL TYPE PRCT_PRICING_CONTROL,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <PRCT_PRICING_CONTROL> TYPE PRCT_PRICING_CONTROL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRCT_PRICING_CONTROL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRCT_PRICING_CONTROL
  INTO TABLE IT_PRCT_PRICING_CONTROL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRCT_PRICING_CONTROL
*  INTO TABLE @DATA(IT_PRCT_PRICING_CONTROL2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_PRCT_PRICING_CONTROL INDEX 1 INTO DATA(WA_PRCT_PRICING_CONTROL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRCT_PRICING_CONTROL ASSIGNING <PRCT_PRICING_CONTROL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRCT_PRICING_CONTROL>-KNPRS = 1.
<PRCT_PRICING_CONTROL>-KNTYP = 1.
<PRCT_PRICING_CONTROL>-KOAID = 1.
<PRCT_PRICING_CONTROL>-MAUEB = 1.
<PRCT_PRICING_CONTROL>-STFKZ = 1.

ENDLOOP.

LOOP AT IT_PRCT_PRICING_CONTROL INTO WA_PRCT_PRICING_CONTROL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRCT_PRICING_CONTROL-NOTYP, sy-vline,
  WA_PRCT_PRICING_CONTROL-KDUPL, sy-vline,
  WA_PRCT_PRICING_CONTROL-NOKDUPL, sy-vline,
  WA_PRCT_PRICING_CONTROL-KFKIV, sy-vline,
  WA_PRCT_PRICING_CONTROL-KVARC, sy-vline,
  WA_PRCT_PRICING_CONTROL-PRSQU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRCT_PRICING_CONTROL you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_PRCT_PRICING_CONTROL TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_PRCT_PRICING_CONTROL INTO WA_PRCT_PRICING_CONTROL.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PRCT_PRICING_CONTROL_STR, 
KNPRS TYPE STRING,
KNTYP TYPE STRING,
KOAID TYPE STRING,
MAUEB TYPE STRING,
STFKZ TYPE STRING,
NOTYP TYPE STRING,
KDUPL TYPE STRING,
NOKDUPL TYPE STRING,
KFKIV TYPE STRING,
KVARC TYPE STRING,
PRSQU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRCT_PRICING_CONTROL_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_PRCT_PRICING_CONTROL_STR-KNPRS sy-vline 
WA_PRCT_PRICING_CONTROL_STR-KNTYP sy-vline 
WA_PRCT_PRICING_CONTROL_STR-KOAID sy-vline 
WA_PRCT_PRICING_CONTROL_STR-MAUEB sy-vline 
WA_PRCT_PRICING_CONTROL_STR-STFKZ sy-vline 
WA_PRCT_PRICING_CONTROL_STR-NOTYP sy-vline 
WA_PRCT_PRICING_CONTROL_STR-KDUPL sy-vline 
WA_PRCT_PRICING_CONTROL_STR-NOKDUPL sy-vline 
WA_PRCT_PRICING_CONTROL_STR-KFKIV sy-vline 
WA_PRCT_PRICING_CONTROL_STR-KVARC sy-vline 
WA_PRCT_PRICING_CONTROL_STR-PRSQU sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.